tube

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tube,

in electronics: see electron tubeelectron tube,
device consisting of a sealed enclosure in which electrons flow between electrodes separated either by a vacuum (in a vacuum tube) or by an ionized gas at low pressure (in a gas tube).
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.

Tube

A long, hollow cylinder, or other hollow shape; typically a flexible or thin-walled metal cylinder, as opposed to a pipe.

tube

[′tüb]
(biology)
A narrow channel within the body of an animal or plant.
(electronics)
(engineering)
A long cylindrical body with a hollow center used especially to convey fluid.
(geology)
A passage in a cave having smooth sides and an elliptical to nearly circular cross section.
(ordnance)
The main part of a gun, the cylindrical piece of metal surrounding the bore; tube is frequently used in referring to artillery weapons, and barrel is more frequently used in referring to small arms.

tube

1. A thin-walled pipe.
2.See lamp.

tube

1. Anatomy
b. any hollow cylindrical structure
2. Botany
a. the lower part of a gamopetalous corolla or gamosepalous calyx, below the lobes
b. any other hollow structure in a plant
3. Brit the tube
a. an underground railway system
b. the tunnels through which the railway runs
c. the train itself
d. ™ the London underground railway system
4. Electronics
a. another name for valve
5. Surfing the cylindrical passage formed when a wave breaks and the crest tips forward

tube

(hardware)
A CRT terminal. Never used in the mainstream sense of TV; real hackers don't watch TV, except for Loony Toons, Rocky & Bullwinkle, Trek Classic, the Simpsons, and the occasional cheesy old swashbuckler movie.

tube

(electronics)

tube

(jargon)
(IBM) To send a copy of something to someone else's terminal. "Tube me that note."
References in periodicals archive ?
Prior to his promotion, Barshick has served as plant manager at Fairfield Tubular Operations in Fairfield, Alabama, a position he has held since 2009.
Deepwater field Tubular Bells was discovered in 2003 and is about 135 miles southeast of New Orleans, Louisiana.
Produces band, cartridge, tubular, and custom heaters.
Connective tissue growth factor plays an important role in advanced glycation end product-induced tubular epithelial-to-mesenchymal transition: implications for diabetic renal disease.
This type of innovative thinking is how Enventure has advanced expandable tubular technology.
Band and strip heaters, tubular metalsheath elements, immersion heaters, flanged immersion heaters, and heat-transfer systems with integral cooling.
Tubular healing elements constructed from high-quality materials to meet stringent application requirements.
We are very pleased to be making an investment with a strong management team in a premier supplier of complex welded assemblies and tubular machine components," said Roberto Buaron, Chairman and Chief Executive Officer of First Atlantic Capital.
Using heat pipes together with tubular electric heaters reportedly allows for even heat distribution over cavity surface, including deep into cores, resulting in faster cycles and more uniform curing.
CHICAGO -- TMB Industries ("TMB") announces the acquisition of Whitley Products, Inc ("Whitley Products") a premier supplier of precision tubular products for diesel engines used primarily in vehicles in the automotive, agricultural, off-highway, medium and heavy duty truck industries.
Prequalification are invited for Supply of Drilling Tubular Material
Using heat pipes together with tubular electric heaters reportedly allows distributing heat evenly over the cavity surface, including deep into cores, resulting in faster cycles and more uniform curing.